Mike O’Hara of HFTReview interviewed Prof Alex Preda about his research into how modern day retail investors are trading (free registration required to view the full article).

London traders are working and building models together with traders situated on the US East Coast or in the Mid West. They use social media intensively in order to combine and match their skills, to develop trading algorithms. This kind of work has become almost impossible for a single trader to sustain, so they build these small groups of maybe five or six people, situated in different locations, in different countries, all coordinating with each other in building and testing their robots. They’ve become very, very savvy.